Microsoft IIS 6.0 PHP NTFS Stream Authentication Bypass

high Nessus Plugin ID 59817


The remote web server is affected by an authentication bypass vulnerability.


The version of Microsoft IIS installed on the remote host is affected by an authentication bypass vulnerability. It is possible to access PHP files in protected web directories without authentication by appending '::$INDEX_ALLOCATION' to the directory name.


There is no known solution at this time.

See Also

Plugin Details

Severity: High

ID: 59817

File Name: iis_php_auth_bypass.nasl

Version: 1.8

Type: remote

Family: CGI abuses

Published: 7/2/2012

Updated: 4/11/2022

Configuration: Enable paranoid mode, Enable thorough checks

Risk Information


Risk Factor: High

Base Score: 7.5

Temporal Score: 7.1

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:F/RL:U/RC:ND

Vulnerability Information

CPE: cpe:/a:microsoft:iis:6.0

Required KB Items: Settings/ParanoidReport, www/PHP, www/iis

Excluded KB Items: Settings/disable_cgi_scanning

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Vulnerability Publication Date: 6/10/2012

Reference Information

BID: 53906

EDB-ID: 19033